Trailer
Images
 | Sophia Loren as Princess Olympia |
 | Maurice Chevalier as Prince Philip |
 | John Gavin as Charles Foster |
 | Angela Lansbury as Countess Lina |
 | Isabel Jeans as Princess Eugénie |
 | Tullio Carminati as Albert |
 | Milly Vitale as Can-Can Girl |
 | Carlo Hintermann as Prince Ruprecht |
 | Roberto Risso as Aide de camp |
 | Friedrich von Ledebur as Count Sandor |
 | Adrienne Gessner as Amelia |
 | Luigi Cimara |
| Waveney Lee as Countess Theresa |
| Walter Varndal |
| Directing | |
| Michael Curtiz | Director |
Production | |
| Marcello Girosi | Producer |
| Carlo Ponti | Producer |
Sound | |
| Alessandro Cicognini | Original Music Composer |
Camera | |
| Mario Montuori | Director of Photography |
Editing | |
| Howard A. Smith | Editor |
Art | |
| Hal Pereira | Art Direction |
| Gene Allen | Art Direction |
Costume & Make-Up | |
| Hoyningen Huene | Costume Design |
Directing | |
| Mario Russo | Assistant Director |
Writing | |
| Walter Bernstein | Adaptation |
| Sidney Howard | Writer |
| Ring Lardner, Jr. | Writer |
| Ferenc Molnár | Theatre Play |
| Karl Schneider | Writer |
